Portable simplicity: TurboDry was developed utilizing wind science principles to blend ram air induction with the thermal convection philosophy to dry footwear. . Fresh air is drawn over the thermal heating elements with a powerful fan. Warm air vents throughout the toe box remove wetness or warm chilly boots. Patented ram air ventilation dries shoes in a fraction of the time. Powerful fan. Perfect for drying and warming. Automotive or home drying. Compact, portable packs easily in boots. Will not damage footwear, boot liners, or foot beds. Eliminates unpleasant odors. Heat: warmed to gentle temperature. Power: 120V AC household outlet or 12V DC. Dimensions: 2.5 x 6.5 x 2.25 in. width, length, height. Weight: 1 lb. 3 oz.